However, clinical signs and symptoms are not a good indicator of thyroid function. If there is any doubt, easily available and not too expensive tests, e.g., TSH and free T4 are essential for a proper work-up.

However, clinical signs and symptoms are not a good indicator of thyroid function. If there is any doubt, easily available and not too expensive tests, e.g., TSH and free T4 are essential for a proper work-up.
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Infants born with this may have unique symptoms. It is medically urgent to identify newborns with underactive thyroid because thyroid hormone is integral to normal brain development in infants and kids under 2 years old.

Infants born with this may have unique symptoms. It is medically urgent to identify newborns with underactive thyroid because thyroid hormone is integral to normal brain development in infants and kids under 2 years old.
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